/* Copyright (c) 2008-2010, developers of the Ascension Log Visualizer
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom
 * the Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

package com.googlecode.logVisualizer.chart;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PiePlot;
import org.jfree.data.general.PieDataset;

import com.googlecode.logVisualizer.logData.LogDataHolder;

public abstract class PieChartBuilder extends AbstractChart {
    protected PieChartBuilder(
                              final String title, final LogDataHolder logData,
                              final boolean isIncludeLegend) {
        super(title, logData, isIncludeLegend);
        addChart();
    }

    protected abstract PieDataset createDataset();

    private JFreeChart createChart(
                                   final PieDataset dataset) {

        final JFreeChart chart = ChartFactory.createPieChart(getTitle(),
                                                             dataset,
                                                             isIncludeLegend(),
                                                             true,
                                                             false);
        final PiePlot plot = (PiePlot) chart.getPlot();

        plot.setSectionOutlinesVisible(false);
        plot.setNoDataMessage("No data available");
        plot.setIgnoreNullValues(true);
        plot.setIgnoreZeroValues(true);

        return chart;
    }

    @Override
    protected ChartPanel createChartPanel() {
        return new ChartPanel(createChart(createDataset()));
    }
}
